Not in Williamson County will book A 1853-1872 or will book B 1897-1892 or will book C 1898-1911
Not on Findagrave.com in Williamson County as Cynthia Rust or Cynthia Goodman
Not found on Illinois State Archives pre-1916 death database: No Goodman
Marriage to William Goodman not listed on McCracken County Clerk marriage database
Searched Genelaogy Trails for search 'goodman williamson' in Illinois. The only useful hit of 166 is Cynthia on the 1865 Il census
Not listed in 1888-1893 tax lists for Williamson County. No Goodmans at all. Tax list on Williamson County Historical Society page http://www.wcihs.org/records/township-tax-lists-1888-1893/

not listed in the Jackson Purchase Tax Lists 1822-1824
not listed in any other tax year than 1836 in the McCracken County Tax Lists 1824-1836
not listed on LIncoln County TN tax list for 1836 (only list available for Lincoln County)

listed in McCracken County Order book 301, 310 and 324. He refused to submit a list of taxable property, was fined and then the fine was revoked.